The present invention is directed to an intrusion detection system having two different types of motion sensors and processing of the signals produced by the motion sensors in a manner to provide a reliable indication of motion within the space being sensed. The intrusion detection system includes a microprocessor and produces an alarm signal if each sensor is activated within a predetermined time...

The present invention relates to an integral skin rigid polyurethane foam having improved compressive strength and flexural strength. This foam is prepared by reacting a polyol resin component with an aromatic isocyanate using water as an auxiliary blowing agent.

A stress level measuring instrument compares a base-line pulse value with other pulse values of the subject. The instrument includes a device for calculating the mean pulse frequency, a device for determining the basic pulse frequency, a device for comparing the basic pulse frequency and the base-line pulse frequency, a device for calculating the stress level, and a display.

A stress level measuring instrument compares a base-line pulse value with other pulse values of the subject. The instrument includes a device for calculating the mean pulse frequency, a device for determining the basic pulse frequency, a device for comparing the basic pulse frequency and the base-line pulse frequency, a device for calculating the stress level, and a display.

Symmetrical or asymmetrical 1,3-bis-[3-(mono- or poly-hydroxy)acylamino-5-(mono- or polyhydroxyalkyl)-aminocarbonyl-2,4,6-triiodo-benzoyl-amino]-hydroxy- or hydroxyalkyl-propanes, useful to constitute the opacifying component of X-ray contrast media, are described.

Process for the treatment of spent pot-linings impregnated with fluorinated products and alkali metal cyanides, comprising milling the pot-linings previously crushed in the presence of lime, suspending the products milled in this way in an aqueous medium to precipitate the flux in the form of CaF2 with release of sodium hydroxide, and then heating the suspension to a temperature T > 140 DEG C in t...

Synthetic diamond film produced by chemical vapor deposition can be crushed to obtain diamond grit which has useful abrasive properties. The flexibility of CVD deposition processes in determining diamond film properties means that CVD diamond grit properties can be tailored to particular abrasive applications. In a disclosed embodiment, the grit particles are coated with a magnetic material. The c...

2100364 9208974 PCTABS00013 Disclosed is an improved device for performing agglutination reactions having at least one chamber (25) having a proximate zone (6) and a distal zone (7), in which chamber (25) agglutination reactions can be performed. The improvement comprises utilization in the device of means for controlling overall rate of liquid flow through the chamber (25), the means comprising a...

An apparatus for adapting to receive a particular path, having the greatest amplitude, of a spread-spectrum signal with multipath. The spread-spectrum signal is modulated by a chip-code. A chip-code generator generates a chip-code signal having the same chip-code as the spread-spectrum signal. A plurality of shift registers shift the chip-code signal by a plurality of time delays. First and second...

The present invention is directed to a mobile station for performing adaptive-power control of a spread-spectrum transmitter of the mobile station operating in a cellular-communications network using spread-spectrum modulation, wherein a base station transmits a first spread spectrum channel and a second spread-spectrum channel different than the first spread spectrum channel, each mobile station ...

An apparatus for adaptive-power control of a spread-spectrum transmitter of a mobile station operating in a cellular-communications network using spread-spectrum modulation. A base station transmits a generic spread-spectrum signal and an APC information-data signal. A mobile station has an acquisition circuit (101, 102, 103) for acquiring and decoding the generic spread-spectrum signal, a detecto...

An apparatus for adaptive-power control of a spread- spectrum transmitter of a mobile station operating in a cellular-communications network using spread-spectrum modulation. A base station transmits a generic spread- spectrum signal and an APC-data signal. A mobile station has an acquisition circuit (101, 102, 103) for acquiring and decoding the generic spread-spectrum signal, a detector (104) fo...

The present invention is directed to a mobile station for performing adaptive-power control of a spread-spectrum transmitter of the mobile station operating in a cellular-communications network using spread-spectrum modulation, wherein a base station transmits a first spread spectrum channel and a second spread-spectrum channel different than the first spread spectrum channel, each mobile station ...

Injection-moulded printed circuit boards which have been obtained by injection-moulding thermoplastic materials onto the back of flexible circuits are of a particularly high quality if the conductor tracks have been produced on the flexible carriers employed by direct additive or semiadditive metallisation.; Injection-moulded printed circuit boards by injection moulding thermoplastic materials ont...